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our team


Andreas C. Wankum

Andreas serves as the managing director of oneVest Developments.

Following the Anglo-Saxon tradition, Andreas is, beside his business activities, also active for political and for charitable purposes.  He is a former member of the State and City Parliament of Hamburg and previously served as  Head of the Jewish Community of Hamburg.

Leon A. Wankum

Leon holds a BA in Philosophy with Ethics and Business Management. He graduated MSc Financial Economics at the University of Glasgow, writing his thesis  on Bitcoin, in 2015. The work focussed on how Bitcoin can help to “bank the unbanked”, citizens in underdeveloped regions currently excluded from the existing financial system and its potential for the remittance market.

Leon is entrusted with the strategic planning and coordination of our international activities and investments.


Marcos O. Websie Foto

Marcos Oliveira Bandeira

In 2018 Marcos completed the Master of Business Administration of the Grenoble Graduate School of Business, where he was Triple credited: AMBA, AACSB and EQUIS.

Marcos is entrusted with the Investor Relations, – and in this role especially accompanies our Israeli Investors throughout the development of Real Estate projects, where he is in charge of the financial controlling and subsequently fund allocation.

Jutta Stephan

Jutta is in charge of our daily office activities, acting as a link between the company management and our partners. In this function, Jutta accompanies all projects between Germany and the USA as well as Israel.